Finding the Fourth Proportional to 90,003,584.42, 124,204,950.69 and 48,750,476.84
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Solution
The fourth proportional to 90,003,584.42, 124,204,950.69 and 48,750,476.84 is: 67,275,660.31
Step by Step Solution
- Step 1: Write the proportion equation
90,003,584.42 : 124,204,950.69 = 48,750,476.84 : x - Step 2: Convert to fraction form
90,003,584.42/124,204,950.69 = 48,750,476.84/x - Step 3: Cross multiply
90,003,584.42x = 124,204,950.69 × 48,750,476.84 - Step 4: Simplify right side
90,003,584.42x = 6,055,050,572,026,187 - Step 5: Solve for x
x = 6,055,050,572,026,187/90,003,584.42 - Step 6: Final answer
x = 67,275,660.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.